header .sk {
    position: absolute;
    border-left: 1px #c81523 solid;
    left: 190px;
    top: 40px;
    padding: 3px 0 0 14px;
}

nav .sk_l ul li {
    float: left;
    text-align: center;
}

nav .sk_l ul li a {
    display: block;
    font-size: 16px;
    height: 47px;
    line-height: 47px;
    padding: 0 30px;
    font-weight: 600;
    color: #000;
}

nav .sk_r ul li {
    float: left;
}

nav .sk_r ul li a {
    display: block;
    font-size: 14px;
    height: 47px;
    line-height: 49px;
    padding: 0 20px;

}

nav .sk_r ul li:last-child a::after {
    content: '\e91e';
    font-family: 'icomoon';
}

.sk_container .sk_d ul li {
    width: 290px;
    height: 460px;
    border: 1px solid transparent;
    overflow: hidden;
    float: left;
    margin-right: 13px;
}

.sk_container .sk_d ul li:nth-child(4n) {
    margin-right: 0;
}

.sk_container .sk_d ul li:hover {
    border: #c81523 1px solid;
}